If you’re a guitarist who likes to use non-guitar introductions (such as keyboard tracks) in your song writing/performing, then you may very well be interested in the BakTrak pedal. The BakTrak pedal is a three-in-one background music device that you can use while practicing at home, or while performing live on stage. From what I can determine, it’s a pretty sturdy little unit. … BakTrak—The ultimate MP3 backing track pedal